MCQ
Sieve tubes have
- AApical and oblique septa
- BPerforated and longitudinal septa
- ✓Perforated and oblique septa
- DSimple oblique wall
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$(I)$ Hormones increase alterthess
$(II)$ Hormones increase the heart beat
$(III)$ Stimulate the breakdown of glycogen
$(IV)$ Stimulate the breakdown of lipids and proteins